She started to learn the piano at the age of 4, and she sang her first song on the stage when she was 9 years old.

她4岁开始学习钢琴，9岁时就在舞台上唱了第一首歌。

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Little Kate is only 4 years old, but she can help with a lot of housework.

小凯特只有4岁，但她能帮忙做很多家务。

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When you were 4 years old, she gave you some crayons3.

你4岁时，她给你几支蜡笔。

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She's 4 years old. She just had her birthday.

她刚过完四岁生日。

在空闲时间 - SpeakingMax英语口语达人

Gigi beat the disease, only to have a relapse when she was 4 years old.

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From the time I married my husband when my stepdaughter was only 4 years old, I always felt she viewed me as his wife rather than as a stepmother.

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Amidor, a mother of three, was making her order at a pizza restaurant, when her son, Schoen, who was then around 4 years old, proceeded to have a fit because she wanted him to drink water with his meal and he wanted a Yoo-hoo.

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